package com.itheima.reggie.controller;


import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.Result;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.service.CategoryService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

/**
 * 菜品分类管理
 */
@RestController
@Slf4j
@RequestMapping("/category")
public class CategoryController {

    @Autowired
    private CategoryService categoryService;

    /**
     * 新增分类
     * @param category
     * @return
     */
    @PostMapping
    public Result<String> save(@RequestBody Category category){
        log.info("category:{}",category);
        categoryService.save(category);
        return Result.success("新增分类成功");
    }

    /**
     * 分页渲染页面
     * @param page
     * @param pageSize
     * @return
     */
    @GetMapping("/page")
    public Result<Page> page(int page,int pageSize){
        //分页构造器
        Page<Category> pageInfo = new Page<>(page,pageSize);
        //条件构造器
        LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper<>();
        //添加排序条件
        queryWrapper.orderByAsc(Category::getSort);
        //进行分页查询
        categoryService.page(pageInfo,queryWrapper);
        return Result.success(pageInfo);
    }

        /**
     * 根据id删除分类
     * @param ids
     * @return
     */
    @DeleteMapping
    public Result<String> delete(Long ids){
        log.info("删除分类，id为：{}",ids);

        //先判断该分类是否已经关联了相应·的菜品或套餐 ·没有关联才会删除
        categoryService.remove(ids);

        return Result.success("分类信息删除成功");
    }


    /**
     * 根据id修改分类信息
     * @param category
     * @return
     */
    @PutMapping
    public Result<String> update(@RequestBody Category category){

        categoryService.updateById(category);
        return Result.success("修改成功");
    }


    /**
     * 根据条件查询分类数据 在新增菜品页面中菜品分类下拉框里渲染
     * @param category
     * @return
     */
    @GetMapping("/list")
    public Result<List<Category>> list(Category category){
        //条件构造器
        LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper<>();
        //添加条件
        queryWrapper.eq(category.getType() != null,Category::getType,category.getType());
        //添加排序条件
        queryWrapper.orderByAsc(Category::getSort).orderByDesc(Category::getUpdateTime);

        List<Category> list = categoryService.list(queryWrapper);

        return Result.success(list);
    }


}
